The present invention relates to a protective applicator cap that can be used with an applicator device that dispenses dry powders including hair fibers. The protective applicator cap comprises of a) cutout for a spray nozzle b) a detachable spray nozzle and c) nozzle holder clamp. The present invention is to provide an applicator cap that keeps pump top of an applicator clean by preventing the escape or spilling of hair fibers. The applicator cap of the present invention also affords a compact look to the applicator that makes it easy for a user to carry it during travel.